CVE-2023-0592 : Vulnerability Insights and Analysis

This CVE-2023-0592 was published on January 31, 2023, by ONEKEY. It involves a path traversal vulnerability in jefferson's JFFS2 filesystem extractor.

Understanding CVE-2023-0592

This vulnerability in jefferson's JFFS2 filesystem extractor could allow attackers to manipulate JFFS2 files maliciously, enabling them to force jefferson to write outside of the designated extraction directory.

What is CVE-2023-0592?

The CVE-2023-0592 vulnerability pertains to a path traversal issue in jefferson, affecting versions before 0.4.1. Attackers could exploit this vulnerability to compromise the integrity of the system by writing outside the intended directory.

The Impact of CVE-2023-0592

The impact of this vulnerability is classified under CAPEC-126 (Path Traversal). It poses a medium severity risk with a CVSS V3.1 base score of 5.5. Although the attack complexity is low, the integrity impact is high, requiring user interaction for exploiting the vulnerability.

Technical Details of CVE-2023-0592

This section explains the details related to the vulnerability, the affected systems and versions, as well as the exploitation mechanism involved.

Vulnerability Description

The vulnerability involves a path traversal issue in jefferson's JFFS2 filesystem extractor, where attackers can manipulate JFFS2 files to write outside the extraction directory. It impacts versions before 0.4.1.

Affected Systems and Versions

The affected system in this CVE is jefferson, specifically versions prior to 0.4.1. Users utilizing jefferson should ensure they are running the latest version to mitigate the risk associated with this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting malicious JFFS2 files and coercing jefferson to write data beyond the designated directory. This unauthorized writing could lead to data integrity compromise within the system.

Mitigation and Prevention

To address CVE-2023-0592, it is crucial to implement immediate steps, adopt long-term security practices, and apply relevant patches and updates to prevent potential exploitation.

Immediate Steps to Take

Users should upgrade their jefferson version to 0.4.1 or above to mitigate the path traversal vulnerability and prevent attackers from forcing unauthorized writes outside the extraction directory.

Long-Term Security Practices

Incorporating robust security practices such as regular system updates, restrict file system access, and ongoing vulnerability assessments can enhance overall security posture and mitigate similar risks in the future.

Patching and Updates

Ensuring that all systems are up to date with the latest patches and security updates is essential to protect against known vulnerabilities like CVE-2023-0592. Regularly monitoring for software updates and applying them promptly can help prevent potential exploitation.